<template>
  <view class="goods-item">
    <!-- 左侧盒子 -->
    <view class="goods-item-left">
      <radio :checked="goods.goods_state" color="#c00000" v-if="showRadio" @click="radioClickHandler"></radio>
      <image :src="goods.goods_small_logo || defaultPic"  class="goods-pic"></image>
    </view>
    <!-- 右侧盒子 -->
    <view class="goods-item-right">
      <!-- 商品名字 -->
      <view class="goods-name">{{goods.goods_name}}</view>
      <view class="goods-info-box">
        <view class="goods-price">￥{{goods.goods_price | tofixed}}</view>
        <uni-number-box :min="1" :value="goods.goods_count" v-if="showNum" @change="numChangeHandler"></uni-number-box>
      </view>
    </view>
  </view>
</template>
<script>
  export default {
    props:{
      goods:{
        type:Object,
        default:{}
      },
      showRadio:{
        type:Boolean,
        // 情况下不会展示radio组件
        default:false
      },
      showNum:{
        type:Boolean,
        default:false
      }
    },
    data(){
      return {
        // 默认的图片
        defaultPic:'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png'
      }
    },
    filters:{
      tofixed(num){
        return Number(num).toFixed(2)
      }
    },
    methods:{
      // 这是radio组件的点击事件处理函数
      radioClickHandler(){
        this.$emit('radio-change',{
          goods_id:this.goods.goods_id,
          goods_state:!this.goods.goods_state
        })
      },
      // 监听到了NumerBox组件数量变化的事件
      numChangeHandler(val){
        // console.log(val)
        this.$emit('num-change',{
          goods_id:this.goods.goods_id,
          goods_count:val-0 //转成数值
        })
      }
    }
  }
</script>
<style lang="scss">
  .goods-item{
    width:750rpx;
    box-sizing: border-box;
    display:flex;
    padding:10px 5px; 
    border-bottom:1px solid #efefef;
    .goods-item-left{
      display:flex;
      justify-content: space-between;
      align-items: center;
      margin-right:5px;
      .goods-pic{
        width:100px;
        height:100px;
        display:block;
      }
    }
    .goods-item-right{
      display:flex;
      flex:1;
      flex-direction:column;
      justify-content: space-between;
      .goods-name{
        font-size:13px;
      }
      .goods-info-box{
        display:flex;
        justify-content: space-between;
        align-items: center;
        .goods-price{
          color:#c00000;
          font-size:16px;
        }
      }
    }
  }
</style>
